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Model and Load Pre-processing > Create a Fan Noise load and solution

5. Create an acoustic SOL 108 Direct Frequency Response solution

Now that you have created transient blade forces, you will create a solution and acoustic load.

  1. In the Simulation Navigator, right-click your Simulation file, and choose New Solution.

  2. In the Solution dialog box, set the Analysis Type to Acoustic, and the Solution Type to SOL 108 Direct Frequency Response.

  3. On the Bulk Data tab, select the Enable Adaptive Order for Acoustic Elements check box .

  4. Click OK to close the Solution dialog box

  5. Click OK to close the Solution Step dialog box.

Next step
6. Create a Fan Noise load or loads
How do I

Create a Fan Noise load and solution

  1. Import the CFD pressure data

  2. Map the CFD fan mesh to transient fan blade elements

  3. Set the fan parameters and rotation axis

4.Convert the pressure data to fan blade force

  1. Create a Fan Noise load or loads

  2. Edit the solution to add Output Requests and Harmonics

  3. Edit units, solve the solution, and post process results

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  1. Create an acoustic SOL 108 Direct Frequency Response solution, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1847885_v1 · retrieved 2026-07-17